Search a number
-
+
20174861273 = 75092956591
BaseRepresentation
bin10010110010100000…
…111111001111011001
31221002000120010211012
4102302200333033121
5312304231030043
613133533143305
71312644330350
oct226240771731
957060503735
1020174861273
118613201976
123ab062ab35
131b9699c848
14d95602997
157d12aba18
hex4b283f3d9

20174861273 has 8 divisors (see below), whose sum is σ = 23057844480. Its totient is φ = 17292093120.

The previous prime is 20174861269. The next prime is 20174861279. The reversal of 20174861273 is 37216847102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20174861273 - 22 = 20174861269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20174861273.

It is not an unprimeable number, because it can be changed into a prime (20174861279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328208 + ... + 384798.

It is an arithmetic number, because the mean of its divisors is an integer number (2882230560).

Almost surely, 220174861273 is an apocalyptic number.

It is an amenable number.

20174861273 is a deficient number, since it is larger than the sum of its proper divisors (2882983207).

20174861273 is an equidigital number, since it uses as much as digits as its factorization.

20174861273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107527.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 20174861273 in words is "twenty billion, one hundred seventy-four million, eight hundred sixty-one thousand, two hundred seventy-three".

Divisors: 1 7 50929 56591 356503 396137 2882123039 20174861273